# 超市买苹果变量
# 缩进语法
# price=5.6
# weight=200
# money=price*weight
# print(money)  # 输入结果 打印
# 超市买苹果-够2斤,减5块 1斤=500g
# 变量是可以重复赋值的
price=5.6
weight=1000
qian=price*weight
print(qian)
qian=qian-5
print(qian)
